The lcds have a parallel interface, meaning that the microcontroller has to manipulate several interface pins at once to control the display. How to interface 16x2 lcd with pic microcontroller electronics hub. The full sample source code can be obtained from robot. In this tutorial we will learn how to interface 16. Interfacing lcd display with pic microcontroller xc8.
Control pic microcontroller using a gui via usb or rs232. For a tutorial on compiling these files click here. In our previous tutorials we have learnt the basics of pic using some led blinking programs and have also learnt how to use timers in pic microcontroller. Please follow us in the next issue for more explanation on the. This section will help to enable those with limited electronics experience to successfully complete these interfacing tasks. How to create a serial lcd module using the pic microcontrollers built in. The software is contained in two files note there are many more created by the compiler. To make things easier we have made a small library that could make things easy while using this lcd with our pic16f877a. Interfacing lcd with pic microcontroller hi tech c electrosome. In this section, we will see how to interface lcd with pic microcontroller and programming examples using mikroc for pic. Learn to interface an lcd with pic microcontroller, display characters and send. This circuit can be used to interface with pic microcontroller. In this tutorial, you will learn to interface an lcd with a pic microcontroller. C interintegrated circuit spi serial peripheral interface what is a.
Pic18f4550 is an 8bit microcontroller and uses risc architecture. The io pin can be cut down to 3 pin by serial iterfacing using shift register. One of the technical specifications to be taken in account is the current which can be sourced from a microcontroller pin maximum pin source current 25ma for pic18f4550. Mikroc pro lcd library lcd display commands in mikro c for pic. On each row of lcd we can display 40 charactersnumbers etc. Displaying content on a normal alphanumeric display is very limited,we have to be limited with the font size and we cant draw any graphics also. Lcd interfacing with pic microcontroller mplab xc8 and mikroc pro. You just need to connect the lcd to pic micro by using 7 io lines. Always refer to data memory map on pic datasheet to ensure that the general purpose register used not out of range when migrate one type of. Lcd interfacing with pic microcontroller mplab xc8 and. You can check here all the tutorials on learning pic microcontrollers using mplabx and xc8 compiler. Pic microcontrollers can be used as the brain to control a large variety of products. The crystal oscillator of 12 mhz is connected to the osc1 and osc2 pins of pic microcontroller pic18f4550 for system clock.
Picaxe microcontroller interfacing circuit revolution education. Lcd interfacing with 8051 microcontroller introduction to lcd. In this tutorial we will see how to write data to an lcd with pic microcontroller using. The resistor r1 is used for giving the contrast to the lcd.
In order to control devices, it is necessary to interface or connect them to the pic microcontroller. Programming with pic microcontroller research design lab. Serial lcd is connected to a microcontroller using one data line only and data. This project shows you how to create a serial lcd module that you can drive from any serial rs232 interface. The circuit simply consists of a pic micro, icsp interface, an rs232 level translator and an hd44780 lcd. The capacitor c2 and c3 will act filters to the crystal oscillator. To display a message on lcd using pic controller 26. If you are using our pic development board then you dont need to care for crystal or power supply they are already on board. Serial, smarttel, total endurance, unio, wiperlock and zena.